Adding upstream version 3.38.2.upstream/3.38.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 583 insertions, 0 deletions

diff --git a/src/nautilus-starred-directory.c b/src/nautilus-starred-directory.c
new file mode 100644
index 0000000..c1a3fe5
--- /dev/null
+++ b/src/nautilus-starred-directory.c
@@ -0,0 +1,583 @@
+/* nautilus-starred-directory.c
+ *
+ * Copyright (C) 2017 Alexandru Pandelea <alexandru.pandelea@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "nautilus-starred-directory.h"
+#include "nautilus-tag-manager.h"
+#include "nautilus-file-utilities.h"
+#include "nautilus-directory-private.h"
+#include <glib/gi18n.h>
+
+struct _NautilusFavoriteDirectory
+{
+    NautilusDirectory parent_slot;
+
+    NautilusTagManager *tag_manager;
+    GList *files;
+
+    GList *monitor_list;
+    GList *callback_list;
+    GList *pending_callback_list;
+};
+
+typedef struct
+{
+    gboolean monitor_hidden_files;
+    NautilusFileAttributes monitor_attributes;
+
+    gconstpointer client;
+} FavoriteMonitor;
+
+typedef struct
+{
+    NautilusFavoriteDirectory *starred_directory;
+
+    NautilusDirectoryCallback callback;
+    gpointer callback_data;
+
+    NautilusFileAttributes wait_for_attributes;
+    gboolean wait_for_file_list;
+    GList *file_list;
+} FavoriteCallback;
+
+G_DEFINE_TYPE_WITH_CODE (NautilusFavoriteDirectory, nautilus_starred_directory, NAUTILUS_TYPE_DIRECTORY,
+                         nautilus_ensure_extension_points ();
+                         /* It looks like you’re implementing an extension point.
+                          * Did you modify nautilus_ensure_extension_builtins() accordingly?
+                          *
+                          * • Yes
+                          * • Doing it right now
+                          */
+                         g_io_extension_point_implement (NAUTILUS_DIRECTORY_PROVIDER_EXTENSION_POINT_NAME,
+                                                         g_define_type_id,
+                                                         NAUTILUS_STARRED_DIRECTORY_PROVIDER_NAME,
+                                                         0));
+
+static void
+file_changed (NautilusFile              *file,
+              NautilusFavoriteDirectory *starred)
+{
+    GList list;
+
+    list.data = file;
+    list.next = NULL;
+
+    nautilus_directory_emit_files_changed (NAUTILUS_DIRECTORY (starred), &list);
+}
+
+static void
+disconnect_and_unmonitor_file (NautilusFile              *file,
+                               NautilusFavoriteDirectory *self)
+{
+    /* Disconnect change handler */
+    g_signal_handlers_disconnect_by_func (file, file_changed, self);
+
+    /* Remove monitors */
+    for (GList *m = self->monitor_list; m != NULL; m = m->next)
+    {
+        nautilus_file_monitor_remove (file, m->data);
+    }
+}
+
+static void
+nautilus_starred_directory_update_files (NautilusFavoriteDirectory *self)
+{
+    GList *l;
+    GList *tmp_l;
+    GList *new_starred_files;
+    GList *monitor_list;
+    FavoriteMonitor *monitor;
+    NautilusFile *file;
+    GHashTable *uri_table;
+    GList *files_added;
+    GList *files_removed;
+    gchar *uri;
+
+    files_added = NULL;
+    files_removed = NULL;
+
+    uri_table = g_hash_table_new_full (g_str_hash,
+                                       g_str_equal,
+                                       (GDestroyNotify) g_free,
+                                       NULL);
+
+    for (l = self->files; l != NULL; l = l->next)
+    {
+        g_hash_table_add (uri_table, nautilus_file_get_uri (NAUTILUS_FILE (l->data)));
+    }
+
+    new_starred_files = nautilus_tag_manager_get_starred_files (self->tag_manager);
+
+    for (l = new_starred_files; l != NULL; l = l->next)
+    {
+        if (!g_hash_table_contains (uri_table, l->data))
+        {
+            file = nautilus_file_get_by_uri ((gchar *) l->data);
+
+            for (monitor_list = self->monitor_list; monitor_list; monitor_list = monitor_list->next)
+            {
+                monitor = monitor_list->data;
+
+                /* Add monitors */
+                nautilus_file_monitor_add (file, monitor, monitor->monitor_attributes);
+            }
+
+            g_signal_connect (file, "changed", G_CALLBACK (file_changed), self);
+
+            files_added = g_list_prepend (files_added, file);
+        }
+    }
+
+    l = self->files;
+    while (l != NULL)
+    {
+        uri = nautilus_file_get_uri (NAUTILUS_FILE (l->data));
+
+        if (!nautilus_tag_manager_file_is_starred (self->tag_manager, uri))
+        {
+            files_removed = g_list_prepend (files_removed,
+                                            nautilus_file_ref (NAUTILUS_FILE (l->data)));
+
+            disconnect_and_unmonitor_file (NAUTILUS_FILE (l->data), self);
+
+            if (l == self->files)
+            {
+                self->files = g_list_delete_link (self->files, l);
+                l = self->files;
+            }
+            else
+            {
+                tmp_l = l->prev;
+                self->files = g_list_delete_link (self->files, l);
+                l = tmp_l->next;
+            }
+        }
+        else
+        {
+            l = l->next;
+        }
+
+        g_free (uri);
+    }
+
+    if (files_added)
+    {
+        nautilus_directory_emit_files_added (NAUTILUS_DIRECTORY (self), files_added);
+
+        for (l = files_added; l != NULL; l = l->next)
+        {
+            self->files = g_list_prepend (self->files, nautilus_file_ref (NAUTILUS_FILE (l->data)));
+        }
+    }
+
+    if (files_removed)
+    {
+        nautilus_directory_emit_files_changed (NAUTILUS_DIRECTORY (self), files_removed);
+    }
+
+    nautilus_file_list_free (files_added);
+    nautilus_file_list_free (files_removed);
+    g_hash_table_destroy (uri_table);
+}
+
+static void
+on_starred_files_changed (NautilusTagManager *tag_manager,
+                          GList              *changed_files,
+                          gpointer            user_data)
+{
+    NautilusFavoriteDirectory *self;
+
+    self = NAUTILUS_STARRED_DIRECTORY (user_data);
+
+    nautilus_starred_directory_update_files (self);
+}
+
+static gboolean
+real_contains_file (NautilusDirectory *directory,
+                    NautilusFile      *file)
+{
+    NautilusFavoriteDirectory *self;
+    g_autofree gchar *uri = NULL;
+
+    self = NAUTILUS_STARRED_DIRECTORY (directory);
+
+    uri = nautilus_file_get_uri (file);
+
+    return nautilus_tag_manager_file_is_starred (self->tag_manager, uri);
+}
+
+static gboolean
+real_is_editable (NautilusDirectory *directory)
+{
+    return FALSE;
+}
+
+static void
+real_call_when_ready (NautilusDirectory         *directory,
+                      NautilusFileAttributes     file_attributes,
+                      gboolean                   wait_for_file_list,
+                      NautilusDirectoryCallback  callback,
+                      gpointer                   callback_data)
+{
+    GList *file_list;
+    NautilusFavoriteDirectory *starred;
+
+    starred = NAUTILUS_STARRED_DIRECTORY (directory);
+
+    file_list = nautilus_file_list_copy (starred->files);
+
+    callback (NAUTILUS_DIRECTORY (directory),
+              file_list,
+              callback_data);
+}
+
+static gboolean
+real_are_all_files_seen (NautilusDirectory *directory)
+{
+    return TRUE;
+}
+
+static void
+real_file_monitor_add (NautilusDirectory         *directory,
+                       gconstpointer              client,
+                       gboolean                   monitor_hidden_files,
+                       NautilusFileAttributes     file_attributes,
+                       NautilusDirectoryCallback  callback,
+                       gpointer                   callback_data)
+{
+    GList *list;
+    FavoriteMonitor *monitor;
+    NautilusFavoriteDirectory *starred;
+    NautilusFile *file;
+
+    starred = NAUTILUS_STARRED_DIRECTORY (directory);
+
+    monitor = g_new0 (FavoriteMonitor, 1);
+    monitor->monitor_hidden_files = monitor_hidden_files;
+    monitor->monitor_attributes = file_attributes;
+    monitor->client = client;
+
+    starred->monitor_list = g_list_prepend (starred->monitor_list, monitor);
+
+    if (callback != NULL)
+    {
+        (*callback)(directory, starred->files, callback_data);
+    }
+
+    for (list = starred->files; list != NULL; list = list->next)
+    {
+        file = list->data;
+
+        /* Add monitors */
+        nautilus_file_monitor_add (file, monitor, file_attributes);
+    }
+}
+
+static void
+starred_monitor_destroy (FavoriteMonitor           *monitor,
+                         NautilusFavoriteDirectory *starred)
+{
+    GList *l;
+    NautilusFile *file;
+
+    for (l = starred->files; l != NULL; l = l->next)
+    {
+        file = l->data;
+
+        nautilus_file_monitor_remove (file, monitor);
+    }
+
+    g_free (monitor);
+}
+
+static void
+real_monitor_remove (NautilusDirectory *directory,
+                     gconstpointer      client)
+{
+    NautilusFavoriteDirectory *starred;
+    FavoriteMonitor *monitor;
+    GList *list;
+
+    starred = NAUTILUS_STARRED_DIRECTORY (directory);
+
+    for (list = starred->monitor_list; list != NULL; list = list->next)
+    {
+        monitor = list->data;
+
+        if (monitor->client != client)
+        {
+            continue;
+        }
+
+        starred->monitor_list = g_list_delete_link (starred->monitor_list, list);
+
+        starred_monitor_destroy (monitor, starred);
+
+        break;
+    }
+}
+
+static gboolean
+real_handles_location (GFile *location)
+{
+    g_autofree gchar *uri = NULL;
+
+    uri = g_file_get_uri (location);
+
+    if (eel_uri_is_starred (uri))
+    {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+static FavoriteCallback *
+starred_callback_find_pending (NautilusFavoriteDirectory *starred,
+                               NautilusDirectoryCallback  callback,
+                               gpointer                   callback_data)
+{
+    FavoriteCallback *starred_callback;
+    GList *list;
+
+    for (list = starred->pending_callback_list; list != NULL; list = list->next)
+    {
+        starred_callback = list->data;
+
+        if (starred_callback->callback == callback &&
+            starred_callback->callback_data == callback_data)
+        {
+            return starred_callback;
+        }
+    }
+
+    return NULL;
+}
+
+static FavoriteCallback *
+starred_callback_find (NautilusFavoriteDirectory *starred,
+                       NautilusDirectoryCallback  callback,
+                       gpointer                   callback_data)
+{
+    FavoriteCallback *starred_callback;
+    GList *list;
+
+    for (list = starred->callback_list; list != NULL; list = list->next)
+    {
+        starred_callback = list->data;
+
+        if (starred_callback->callback == callback &&
+            starred_callback->callback_data == callback_data)
+        {
+            return starred_callback;
+        }
+    }
+
+    return NULL;
+}
+
+static void
+starred_callback_destroy (FavoriteCallback *starred_callback)
+{
+    nautilus_file_list_free (starred_callback->file_list);
+
+    g_free (starred_callback);
+}
+
+static void
+real_cancel_callback (NautilusDirectory         *directory,
+                      NautilusDirectoryCallback  callback,
+                      gpointer                   callback_data)
+{
+    NautilusFavoriteDirectory *starred;
+    FavoriteCallback *starred_callback;
+
+    starred = NAUTILUS_STARRED_DIRECTORY (directory);
+    starred_callback = starred_callback_find (starred, callback, callback_data);
+
+    if (starred_callback)
+    {
+        starred->callback_list = g_list_remove (starred->callback_list, starred_callback);
+
+        starred_callback_destroy (starred_callback);
+
+        return;
+    }
+
+    /* Check for a pending callback */
+    starred_callback = starred_callback_find_pending (starred, callback, callback_data);
+
+    if (starred_callback)
+    {
+        starred->pending_callback_list = g_list_remove (starred->pending_callback_list, starred_callback);
+
+        starred_callback_destroy (starred_callback);
+    }
+}
+
+static GList *
+real_get_file_list (NautilusDirectory *directory)
+{
+    NautilusFavoriteDirectory *starred;
+
+    starred = NAUTILUS_STARRED_DIRECTORY (directory);
+
+    return nautilus_file_list_copy (starred->files);
+}
+
+static void
+nautilus_starred_directory_set_files (NautilusFavoriteDirectory *self)
+{
+    GList *starred_files;
+    NautilusFile *file;
+    GList *l;
+    GList *file_list;
+    FavoriteMonitor *monitor;
+    GList *monitor_list;
+
+    file_list = NULL;
+
+    starred_files = nautilus_tag_manager_get_starred_files (self->tag_manager);
+
+    for (l = starred_files; l != NULL; l = l->next)
+    {
+        file = nautilus_file_get_by_uri ((gchar *) l->data);
+
+        g_signal_connect (file, "changed", G_CALLBACK (file_changed), self);
+
+        for (monitor_list = self->monitor_list; monitor_list; monitor_list = monitor_list->next)
+        {
+            monitor = monitor_list->data;
+
+            /* Add monitors */
+            nautilus_file_monitor_add (file, monitor, monitor->monitor_attributes);
+        }
+
+        file_list = g_list_prepend (file_list, file);
+    }
+
+    nautilus_directory_emit_files_added (NAUTILUS_DIRECTORY (self), file_list);
+
+    self->files = file_list;
+}
+
+static void
+real_force_reload (NautilusDirectory *directory)
+{
+    NautilusFavoriteDirectory *self = NAUTILUS_STARRED_DIRECTORY (directory);
+
+    /* Unset current file list */
+    g_list_foreach (self->files, (GFunc) disconnect_and_unmonitor_file, self);
+    g_clear_list (&self->files, g_object_unref);
+
+    /* Set a fresh file list  */
+    nautilus_starred_directory_set_files (self);
+}
+
+static void
+nautilus_starred_directory_finalize (GObject *object)
+{
+    NautilusFavoriteDirectory *self;
+
+    self = NAUTILUS_STARRED_DIRECTORY (object);
+
+    g_signal_handlers_disconnect_by_func (self->tag_manager,
+                                          on_starred_files_changed,
+                                          self);
+
+    g_object_unref (self->tag_manager);
+    nautilus_file_list_free (self->files);
+
+    G_OBJECT_CLASS (nautilus_starred_directory_parent_class)->finalize (object);
+}
+
+static void
+nautilus_starred_directory_dispose (GObject *object)
+{
+    NautilusFavoriteDirectory *starred;
+    GList *l;
+
+    starred = NAUTILUS_STARRED_DIRECTORY (object);
+
+    /* Remove file connections */
+    g_list_foreach (starred->files, (GFunc) disconnect_and_unmonitor_file, starred);
+
+    /* Remove search monitors */
+    if (starred->monitor_list)
+    {
+        for (l = starred->monitor_list; l != NULL; l = l->next)
+        {
+            starred_monitor_destroy ((FavoriteMonitor *) l->data, starred);
+        }
+
+        g_list_free (starred->monitor_list);
+        starred->monitor_list = NULL;
+    }
+
+    G_OBJECT_CLASS (nautilus_starred_directory_parent_class)->dispose (object);
+}
+
+static void
+nautilus_starred_directory_class_init (NautilusFavoriteDirectoryClass *klass)
+{
+    GObjectClass *oclass;
+    NautilusDirectoryClass *directory_class;
+
+    oclass = G_OBJECT_CLASS (klass);
+    directory_class = NAUTILUS_DIRECTORY_CLASS (klass);
+
+    oclass->finalize = nautilus_starred_directory_finalize;
+    oclass->dispose = nautilus_starred_directory_dispose;
+
+    directory_class->handles_location = real_handles_location;
+    directory_class->contains_file = real_contains_file;
+    directory_class->is_editable = real_is_editable;
+    directory_class->force_reload = real_force_reload;
+    directory_class->call_when_ready = real_call_when_ready;
+    directory_class->are_all_files_seen = real_are_all_files_seen;
+    directory_class->file_monitor_add = real_file_monitor_add;
+    directory_class->file_monitor_remove = real_monitor_remove;
+    directory_class->cancel_callback = real_cancel_callback;
+    directory_class->get_file_list = real_get_file_list;
+}
+
+NautilusFavoriteDirectory *
+nautilus_starred_directory_new ()
+{
+    NautilusFavoriteDirectory *self;
+
+    self = g_object_new (NAUTILUS_TYPE_STARRED_DIRECTORY, NULL);
+
+    return self;
+}
+
+static void
+nautilus_starred_directory_init (NautilusFavoriteDirectory *self)
+{
+    NautilusTagManager *tag_manager;
+
+    tag_manager = nautilus_tag_manager_get ();
+
+    g_signal_connect (tag_manager,
+                      "starred-changed",
+                      (GCallback) on_starred_files_changed,
+                      self);
+
+    self->tag_manager = tag_manager;
+
+    nautilus_starred_directory_set_files (self);
+}